Mini PIR Motion Sensor

(11 Reviews)
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PIR (Passive Infrared) sensors are used to detect motion, specifically things that emit heat radiation like humans and pets. They're commonly seen in the corners of rooms as part of an alarm system.

This is a mini PIR sensor, the tiny lil' bro of our standard PIR sensor. This smaller version is handy for prototyping as the pins pop straight into a breadboard, and the compact format also makes it better for embedding in your own projects and enclosures. Downsides? Slightly lesser range and takes a little longer to trigger.

These sensors pick up targets around the 5m range and are super easy and flexible to use - you can power it from 3-12V DC as it has an onboard regulator. Digital signal output is 3.3V high/low, with the signal going high for 2 seconds when motion is detected.

The lens is focused to 2-5 meters away with a 100-degree spread.

Pinout (Important!)

Pin connections for your microcontroller are simple. Always power down your microcontroller before wiring up, and triple check your connections as you may damage the sensor if wired incorrectly:

  • Pin #1 to 3-12V (Pin 1 has the 'U' next to it - see below image)
  • Pin #2 to output signal
  • Pin #3 to GND 

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Verified Customer
Yoshi K
Mini PIR Motion Sensor
Work as expected! So much smaller than the normal PIR motion sensor module!
1 person found this review helpful.
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4 months ago
Verified Customer
Anonymous
Mini PIR Motion Sensor
Works great, easy to connect up and is small enough to mount inconspicuously
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6 months ago
Verified Customer
Peter a
Mini PIR Motion Sensor
These motion sensors are so good I ordered another one and accidentally ordered two. Actually glad I did gives me another one to add to my Halloween display.
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9 months ago
Verified Customer
Peter a
Mini PIR Motion Sensor
Setting up a magic mirror for Halloween this sensor is ideal. Easy to set up and nice and discreet. So good I've bought another.
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9 months ago
Verified Customer
Warren G
Hull, United Kingdom
Mini PIR Motion Sensor
I was surprised how well it worked for such a small PIR
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10 months ago
Verified Customer
Jovan Z
Mini PIR Motion Sensor
Reviewer didn't leave any comments
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11 months ago
Verified Customer
Paul R
Falmouth, United States
Mini PIR Motion Sensor
Worked as expected. I was hesitant to order from PI Hut for years only because they are across the pond, and it just seemed easier to get from Amazon or local competitors in US. I was wrong - delivery was fast and their prices are better than Amazon, or US competitors.
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1 year ago
Verified Customer
Peter G
Mini PIR Motion Sensor
Adding to ESP32 project to automate stair lights Seems to work fine no issues
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1 year ago
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